Abstract
Silver nanoparticle composite glass has been synthesized by ion exchange and a subsequent thermal treatment method. Transmission electron microscopy (TEM) and ultraviolet-visible spectrometry were used to study the depth profiles of Ag nanoparticles in silicate glass. Results indicate that Ag nanoparticles are nearly spherical in shape with a single-crystalline structure. Also, the volume fraction of Ag nanoparticles is very high in the surface layer of 5 μm, and then decreases slowly across the depth of 30 μm, thereafter the volume fraction reduces quickly to zero at the depth of 100 μm. The plasmon resonance bi-absorptions in the surface layer of the annealed specimen at 600 °C can be attributed to bi-modal distributions of Ag nanoparticles in the layer. The bi-modal distributions can be explained by the Ostwald ripening theory.
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81.05.Pj; 81.07.-b; 68.37.Lp
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Yang, X., Li, W., Li, Z. et al. Depth profiles of Ag nanoparticles in silicate glass. Appl. Phys. A 90, 465–467 (2008). https://doi.org/10.1007/s00339-007-4304-2
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DOI: https://doi.org/10.1007/s00339-007-4304-2